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Finding the Fourth Proportional to 559,241.88, 771,508.14 and 377,887.56

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Solution

The fourth proportional to 559,241.88, 771,508.14 and 377,887.56 is: 521,318.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,241.88 : 771,508.14 = 377,887.56 : x
  2. Step 2: Convert to fraction form
    559,241.88/771,508.14 = 377,887.56/x
  3. Step 3: Cross multiply
    559,241.88x = 771,508.14 × 377,887.56
  4. Step 4: Simplify right side
    559,241.88x = 291,543,328,544.74
  5. Step 5: Solve for x
    x = 291,543,328,544.74/559,241.88
  6. Step 6: Final answer
    x = 521,318.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.